Home / 78,030-168,516

Finding the Third Proportional to 78,030 and 168,516

Calculator

Solution

The third proportional to 78,030 and 168,516 is: 363,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,030 : 168,516 = 168,516 : x
  2. Step 2: Convert to fraction form
    78,030/168,516 = 168,516/x
  3. Step 3: Cross multiply
    78,030x = 168,516 × 168,516
  4. Step 4: Simplify right side
    78,030x = 28,397,642,256
  5. Step 5: Solve for x
    x = 28,397,642,256/78,030
  6. Step 6: Final answer
    x = 363,932.36

Related Problems

Find third proportional to 39,015 and 84,258
Half scale
Find third proportional to 156,060 and 337,032
Double scale
Find third proportional to 78,032 and 168,520
Similar ratio
Find third proportional to 117,045 and 252,774
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.